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<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>学生</title>
    <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
    <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
    <link rel="stylesheet" href="./css/common.css" />
    <link rel="stylesheet" href="./css/student.css" />

    <style>
    .pagination{
          display: flex;
    }
    </style>
  </head>
  <body class="application application-offset">
    <div class="container-fluid container-application">
      <div class="sidenav show" id="sidenav-main">
        <!-- Sidenav header -->
        <div class="sidenav-header d-flex align-items-center">
          <a class="navbar-brand" href="./index.html">
            <span class="logo">·ITCAST·</span>
          </a>
        </div>
        <!-- User mini profile -->
        <div
          class="sidenav-user d-flex flex-column align-items-center justify-content-between text-center"
        >
          <!-- Avatar -->
          <div>
            <a href="#" class="avatar rounded-circle avatar-xl">
              <img
                alt="Image placeholder"
                src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
                class=""
              />
            </a>
            <div class="mt-5">
              <h5 class="mb-0 text-white">黑马前端</h5>
              <span class="d-block text-sm text-white opacity-8 mb-3"
                >数据可视化</span
              >
              <a
                href="javascript:;"
                class="btn btn-sm btn-white btn-icon rounded-pill shadow hover-translate-y-n3"
              >
                <span class="btn-inner--text">学前端来黑马</span>
              </a>
            </div>
          </div>
        </div>
        <!-- Application nav -->
        <div class="nav-application clearfix">
          <a href="./index.html" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-house bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">首页</span>
          </a>
          <a href="./student.html" class="btn btn-square text-sm active">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-people bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">学生</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-columns bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">排版</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-files bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">资料</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-receipt bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">就业</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-gear bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">设置</span>
          </a>
        </div>
        <!-- Misc area -->
        <div class="card bg-gradient-warning">
          <div class="card-body">
            <h5 class="text-white">哈喽, 朋友!</h5>
            <p class="text-white mb-4">
              为什么不现在开始学习前端，创造一些令人惊叹的东西呢？
            </p>
            <a
              href="http://itcast.cn"
              class="btn btn-sm btn-block btn-white rounded-pill"
              target="_blank"
              >Get started</a
            >
          </div>
        </div>
      </div>
      <div class="main-content position-relative">
        <nav
          class="navbar navbar-main navbar-expand-lg navbar-dark navbar-border"
          id="navbar-main"
        >
          <div class="container-fluid">
            <!-- Navbar nav -->
            <div
              class="collapse navbar-collapse navbar-collapse-fade"
              id="navbar-main-collapse"
            >
              <ul class="navbar-nav align-items-lg-center">
                <!-- Home  -->
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html">
                    黑马程序员
                  </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html"> 文档 </a>
                </li>
              </ul>
              <!-- Right menu -->
              <ul
                class="navbar-nav ml-lg-auto align-items-center d-none d-lg-flex"
              >
                <li class="nav-item dropdown dropdown-animate">
                  <a
                    class="nav-link pr-lg-0"
                    href=".dropdown-menu"
                    role="button"
                    data-toggle="dropdown"
                    aria-haspopup="true"
                    aria-expanded="false"
                  >
                    <div class="media media-pill align-items-center">
                      <span class="avatar rounded-circle">
                        <img
                          alt="Image placeholder"
                          src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
                        />
                      </span>
                      <div class="ml-2 d-none d-lg-block">
                        <span class="mb-0 text-sm font-weight-bold" id="spand"
                          >Admin</span
                        >
                      </div>
                    </div>
                  </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" id="logout" href="javascript:;">
                    退出
                  </a>
                </li>
              </ul>
            </div>
          </div>
        </nav>
        <div class="page-content">
          <div class="page-title mb-3">
            <div class="row justify-content-between align-items-center">
              <div class="col-md-6 mb-3 mb-md-0">
                <h5 class="h3 font-weight-400 mb-0 text-white">Students</h5>
                <span class="text-sm text-white opacity-8"
                  >一共有 <b class="total">0</b> 位学员</span
                >
              </div>
              <div
                class="col-md-6 d-flex align-items-center justify-content-between justify-content-md-end"
              >
                <a
                  id="openModal"
                  href="javascript:;"
                  class="btn btn-sm btn-white btn-icon-only rounded-circle ml-4"
                >
                  <span class="btn-inner--icon"
                    ><i class="bi bi-plus bi-2x"></i
                  ></span>
                </a>
              </div>
            </div>
          </div>
          <div class="row">
            <div class="col">
              <div class="card card-fluid">
                <div class="table-responsive" style="min-height: 1000px">
                  <table class="table align-items-center">
                    <thead>
                      <tr>
                        <th>姓名</th>
                        <th>年龄</th>
                        <th>性别</th>
                        <th>组号</th>
                        <th>期望薪资</th>
                        <th>就业薪资</th>
                        <th>籍贯</th>
                        <th>操作</th>
                      </tr>
                    </thead>
                    <tbody class="list"></tbody>
                  </table>
                  <nav aria-label="Page navigation example" class="example">
                    <p class="sumnum"></p>
                    <ul class="pagination">
                    
                      <li class="page-item">
                        <a class="page-link" href="#" aria-label="Previous">
                          <span aria-hidden="true">&laquo;</span>
                        </a>
                      </li>
                  
                     
                    
                    </ul>
                  </nav>
                </div>
              </div>
            </div>
          </div>
          <!-- footer -->
          <div class="footer pt-5 pb-4 footer-light" id="footer-main">
            <div class="row text-center text-sm-left align-items-sm-center">
              <div class="col-sm-6">
                <p class="text-sm mb-0">
                  © 2022
                  <a href="https://itcast.cn" class="h6 text-sm" target="_blank"
                    >前端学科</a
                  >. All rights reserved.
                </p>
              </div>
              <div class="col-sm-6 mb-md-0">
                <ul class="nav justify-content-center justify-content-md-end">
                  <li class="nav-item">
                    <a class="nav-link" href="#">Support</a>
                  </li>
                  <li class="nav-item">
                    <a class="nav-link" href="#">Terms</a>
                  </li>
                  <li class="nav-item">
                    <a class="nav-link pr-0" href="#">Privacy</a>
                  </li>
                </ul>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <!-- add Modal -->
    <div class="modal fade" id="modal">
      <div class="modal-dialog modal-lg">
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title">添加学员</h5>
            <button
              type="button"
              class="btn-close"
              data-bs-dismiss="modal"
              aria-label="Close"
            ></button>
          </div>
          <div class="modal-body">
            <form id="form" class="g-3 row" autocomplete="off" novalidate>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">姓名：</label>
                  <input
                    type="text"
                    name="name"
                    class="form-control"
                    placeholder="请输入姓名"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">性别：</label>
                  <div class="input">
                    <div class="form-check d-inline-block">
                      <input
                        value="0"
                        checked
                        id="cb01"
                        class="form-check-input"
                        type="radio"
                        name="gender"
                      />
                      <label for="cb01" class="form-check-label">男</label>
                    </div>
                    <div class="form-check d-inline-block">
                      <input
                        value="1"
                        id="cb02"
                        class="form-check-input"
                        type="radio"
                        name="gender"
                      />
                      <label for="cb02" class="form-check-label">女</label>
                    </div>
                  </div>
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">年龄：</label>
                  <input
                    type="text"
                    name="age"
                    class="form-control"
                    placeholder="请输入年龄"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">组号：</label>
                  <input
                    type="text"
                    name="group"
                    class="form-control"
                    placeholder="请输入1-8组号"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">期望薪资：</label>
                  <input
                    type="text"
                    name="hope_salary"
                    class="form-control"
                    placeholder="请输入期望薪资"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">就业薪资：</label>
                  <input
                    type="text"
                    name="salary"
                    class="form-control"
                    placeholder="请输入就业薪资"
                  />
                </div>
              </div>
              <div class="col-sm-12">
                <div class="form-group">
                  <label class="input-group-label">籍贯：</label>
                  <div class="input pl-0">
                    <select class="form-select custom-select" name="province">
                      <option value="">--省份--</option>
                    </select>
                    <select class="form-select custom-select" name="city">
                      <option value="">--城市--</option>
                    </select>
                    <select class="form-select custom-select" name="area">
                      <option value="">--地区--</option>
                    </select>
                  </div>
                </div>
              </div>
            </form>
          </div>
          <div class="modal-footer">
            <button
              type="button"
              class="btn btn-secondary"
              data-bs-dismiss="modal"
            >
              取消
            </button>
            <button
              type="button"
              class="btn btn-blue"
              id="submit"
              data-id="add"
            >
              确认
            </button>
          </div>
        </div>
      </div>
    </div>

    <script src="./bootstrap/bootstrap.min.js"></script>
    <script src="./lib/axios.js"></script>
    <script src="./lib/form-serialize.js"></script>
    <script src="./js/common.js"></script>
    <script>
      async function show() {
        const resinfo = await axios({
          url: '/students',
        });
        console.log(resinfo.data.data);
        document.querySelector('.total').innerHTML = resinfo.data.data.length;
        const tr = resinfo.data.data
          .map((item) => {
            return ` 
                        <tr >
                      <td>${item.name}</td>
                      <td>${item.age}</td>
                      <td>${item.gender === 0 ? '男' : '男'}</td>
                      <td>第${item.group}组</td>
                      <td>${item.hope_salary}</td>
                      <td>${item.salary}</td>
                      <td>${item.province + item.city + item.area}</td>
                      <td>
                        <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"  data-id='${
                          item.id
                        }'></i></a>
                        <a href="javascript:;" class="text-danger"><i class="bi bi-trash" data-id='${
                          item.id
                        }'></i></a>
                      </td>
                    </tr>
            
            `;
          })
          .join('');

        const tab = (document.querySelector('tbody').innerHTML = tr);
      }
      window.onload = async function () {
        document.querySelector('#spand').innerHTML =
          localStorage.getItem('name');
        show();
      };

      //删除
      document
        .querySelector('.list')
        .addEventListener('click', async function (e) {
          console.log(e.target.classList.contains('bi-trash'));
          if (e.target.classList.contains('bi-trash')) {
            console.log(e.target.dataset.id);
            const res = await axios({
              url: `/students/${e.target.dataset.id} `,
              method: 'DELETE',
            });
            alert('删除成功');
            show();
          }
        });

      //添加和修改的弹框显示

      const modal = new bootstrap.Modal(document.querySelector('#modal'));

      //添加
      document.querySelector('#openModal').onclick = function () {
        modal.show();
        document.querySelector('.modal-title').innerHTML = '添加学员';
        document.querySelector('#submit').dataset.id = 'add';

        document.querySelector('#form').reset();
      };

      //修改
      document
        .querySelector('tbody')
        .addEventListener('click', async function (e) {
          if (e.target.classList.contains('bi-pen')) {
            modal.show();
            document.querySelector('.modal-title').innerHTML = '修改学员';
            const id = e.target.dataset.id;
            document.querySelector('#submit').dataset.id = id;

            const res = await axios({
              url: `/students/${id}`,
            });
            // 修改弹框的内容
            // console.log('res:', res)
            for (const key in res.data.data) {
              const ipt = document.querySelector(`[name=${key}]`);
              // console.log('ipt:', ipt)
              // 获取到了元素再去设置value 否则会报错
              // 有一些属性对应的元素不存在
              // name=gender 不能设置value 需要设置checked属性
              if (key !== 'gender') {
                ipt !== null && (ipt.value = res.data.data[key]);
              } else {
                // key=gender--->checked
                // 男 0 女 1
                const genders = document.querySelectorAll('[name=gender]');
                // 根据索引 勾选对应的性别即可
                // console.log('genders[res.data[key]]:', genders[res.data[key]])
                genders[res.data.data[key]].checked = true;
              }
            }
            // 重新去获取 对应的市 和 区的数据
            await renderCity(res.data.data.city);
            await renderArea(res.data.data.area);
          }
        });

      document.querySelector('#submit').onclick = async function (e) {
        //添加
        if (e.target.dataset.id === 'add') {
          console.log('添加');

          const data = serialize(document.querySelector('#form'), {
            hash: true,
          });

          //  data.age = +data.age
          //  data.gender = +data.gender
          // data.salary = +data.salary
          // data.hope_salary = +data.hope_salary
          // data.group = +data.group

          for (const key in data) {
            // 判断 是否为数字-->转换
            // isNaN 不是数字-->true 是数字(字符串)-->false
            if (isNaN(data[key]) === false) {
              // 需要转换
              data[key] = +data[key];
            }
          }
          console.log(data);
          const res = await axios({
            url: '/students',
            method: 'post',
            data,
          });
        } else {
          console.log('修改');
        }
      };

      // 获取省数据
      async function renderProvince(province = '') {
        // 省

        const res = await axios({
          url: '/api/province',
        });
        console.log(res.data.data);
        document.querySelector('[name=province]').innerHTML = res.data.data
          .map((item) => {
            return `
           <option value='${item}'>${item}</option>
    `;
          })
          .join('');
        province !== '' &&
          (document.querySelector('[name=province]').value = province);
      }
      // 获取市数据
      async function renderCity(city = '') {
        const res = await axios({
          url: '/api/city',
          params: {
            pname: document.querySelector('[name=province]').value,
          },
        });

        document.querySelector('[name=city]').innerHTML = res.data.data
          .map((item) => {
            return `
          <option value='${item}'>${item}</option>
    `;
          })
          .join('');
        console.log(res);
        // 市
        city !== '' && (document.querySelector('[name=city]').value = city);
      }
      // 获取区数据
      async function renderArea(area = '') {
        // 区
        const res = await axios({
          url: '/api/area',
          params: {
            pname: document.querySelector('[name=province]').value,
            cname: document.querySelector('[name=city]').value,
          },
        });
        document.querySelector('[name=area]').innerHTML = res.data.data
          .map((item) => {
            return `
          <option value='${item}'>${item}</option>
          `;
          })
          .join('');
        area !== '' && (document.querySelector('[name=area]').value = area);
      }
      // 省市区
      async function renderSelect() {
        await renderProvince();
        await renderCity();
        await renderArea();
      }
      renderSelect();

      //复用
      document.querySelector('[name=province]').onchange = async function () {
        await renderCity();
        await renderArea();
      };

      document.querySelector('[name=city]').onchange = async function () {
        await renderArea();
      };

      async function name() {
        const resinfo = await axios({
          url: '/students',
        });
        console.log(resinfo.data.data);
        //分页
        //总页数
        let sumpage;
        //单页浏览条数
        let pagenumb = 10;
        let num;
        //上一页
        let pre;
        //下一页
        let next;
        let len = resinfo.data.data.length;

        console.log(len);
        // sumnum
        sumpage = len / pagenumb; //页数
        document.querySelector('.sumnum').innerHTML = ` 总页数${Math.ceil(sumpage)}+++++++++++`;
        let ui = document.querySelector('.pagination');
    
        for (let i = 0; i < sumpage; i++) {
          ui.innerHTML+=`  
          <li class="page-item">
                        <a class="page-link" href="#">${i}</a>
                      </li>
          `
        }

      
const oli=   document.createElement("li")

oli.innerHTML=`  <li class="page-item">
                        <a class="page-link" href="#" aria-label="Next">
                          <span aria-hidden="true">&raquo;</span>
                        </a>
                      </li>`

    
                      ui.appendChild(oli)
                    }
   

      name();
    </script>
  </body>
</html>
